echo -----------------------------------------
chkdsk o: /f
echo -----------------------------------------
chkdsk p: /f
echo -----------------------------------------
chkdsk q: /f
echo -----------------------------------------
chkdsk r: /f
echo -----------------------------------------
chkdsk s: /f
echo -----------------------------------------
chkdsk t: /f
echo -----------------------------------------
chkdsk u: /f
echo -----------------------------------------
chkdsk v: /f
echo -----------------------------------------
chkdsk w: /f
echo -----------------------------------------
chkdsk x: /f
echo -----------------------------------------
echo DONE